231303343403 has 8 divisors (see below), whose sum is σ = 258199081536. Its totient is φ = 205385632200.

The previous prime is 231303343373. The next prime is 231303343421. The reversal of 231303343403 is 304343303132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231303343403 - 2¹⁰ = 231303342379 is a prime.

It is a super-2 number, since 2×231303343403² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231303343903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244506233 + ... + 244507178.

It is an arithmetic number, because the mean of its divisors is an integer number (32274885192).

Almost surely, 2^231303343403 is an apocalyptic number.

231303343403 is a deficient number, since it is larger than the sum of its proper divisors (26895738133).

231303343403 is a wasteful number, since it uses less digits than its factorization.

231303343403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489013465.

The product of its (nonzero) digits is 23328, while the sum is 29.

Adding to 231303343403 its reverse (304343303132), we get a palindrome (535646646535).

The spelling of 231303343403 in words is "two hundred thirty-one billion, three hundred three million, three hundred forty-three thousand, four hundred three".